Ladder Problem 1

March 18, 2018 | Author: nsbaruaole | Category: N/A
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Determine the distance S to which the 90-kg painter can climb without causing the 4-m ladder to slip at its lower end a. The top of the 15-kg ladder has a smaller roller, and at the ground the coefficient of static friction is 0.25. The mass centre of the painter is directly above his feet.

[Ans. S = 2.55 m]

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